> ## Documentation Index > Fetch the complete documentation index at: https://docs.pixeltable.com/llms.txt > Use this file to discover all available pages before exploring further. # SceneInfo > View Source on GitHub # class  pixeltable.functions.video.SceneInfo One scene detected within a video: where it starts and how long it lasts. ## attr  duration ``` duration: float ``` Scene duration, in seconds. ## attr  start\_pts ``` start_pts: int ``` Scene start, as a presentation timestamp (in the video stream's time base). ## attr  start\_time ``` start_time: float ``` Scene start, in seconds from the start of the video.